scholarly journals Green Synthesis of Metal Oxide Nanoparticles and Studies of Their Antibacterial Efficacy against Common Pathogens

2019 ◽  
Vol 3 (1) ◽  
Keyword(s):  
Iron Oxide ◽  
Metal Oxide ◽  
Green Synthesis ◽  
Iron Oxide Nanoparticles ◽  
Plant Extract ◽  
Metal Oxide Nanoparticles ◽  
Oxide Nanoparticles ◽  
Antibacterial Efficacy ◽  
Gold And Silver Nanoparticles ◽  
Copper Zinc

Green synthesis of metal oxide nanoparticles has been emerging highlight of the research owing to its unique properties that make them applicable in various fields of science and technology. The method of synthesis is simple, cost effective and environmental friendly. After review, we reported the phyto-synthesis of metal oxide nanoparticles using plant extract with an emphasis on recent developments. Biomolecules such as alkaloids, flavonoids, polyphenols etc. present in the plant extract can be used for the reduction of metal ions to nanoparticles in a single step process. These extract also act as a stabilizing agent. Although, a good number of work has been reported for the synthesis of gold and silver nanoparticles. However, limited no of work has been reported for the synthesis of copper, zinc and iron oxide nanoparticles. We have discussed the green synthesis of copper, zinc and iron oxide nanoparticles and potential of their antibacterial efficacy

scholarly journals Green Synthesis: An Eco-friendly Route for the Synthesis of Iron Oxide Nanoparticles

2021 ◽  
Vol 3 ◽  
Author(s):  
Priya ◽  
Naveen ◽  
Kamaljit Kaur ◽  
Amanpreet K. Sidhu
Keyword(s):  
Iron Oxide ◽  
Metal Oxide ◽  
Green Synthesis ◽  
Iron Oxide Nanoparticles ◽  
Metal Oxide Nanoparticles ◽  
Oxide Nanoparticles ◽  
Synthesis Of Nanoparticles ◽  
Green Approach ◽  
Methods Of Synthesis ◽  
Materials Used

Green approach has received major attention for the synthesis of metal oxide nanoparticles. One such metal oxide nanoparticles are iron oxide nanoparticles (IONPs). IONPs have fetched a great deal of interest in recent era because of their magnetic nature, as they can be easily recovered from the reaction mixture by applying an external magnetic field. Although, a variety of chemical and physical methods of synthesis are known, green synthesis is safer, sustainable and biologically acceptable. Plants and microbes are the main biological materials used for the green synthesis. In present review, the synthesis of IONPs by using plants, bacteria, fungi and algae have been highlighted. IONPs produced by plants, fungi, bacteria and algae usually falls in 1–100 nm range and are of distinct shapes like cubic, tetragonal crystalline, spherical, cylindrical, elliptical, octahedral, orthorhombic, hexagonal rods, nanosphere and quasi spherical. Furthermore, these biomaterials play role of reducing, capping, stabilizing and fabricating agents in green synthesis of nanoparticles. The review put forward a comprehensive report of various routes used for synthesizing IONP, biologically. Intuition into the procedures for synthesis of nanoparticles will help to nourish our learning in the area of nanotechnology.

scholarly journals Flower-Based Green Synthesis of Metallic Nanoparticles: Applications beyond Fragrance

Nanomaterials ◽  
2020 ◽  
Vol 10 (4) ◽  
pp. 766 ◽  
Author(s):  
Harsh Kumar ◽  
Kanchan Bhardwaj ◽  
Kamil Kuča ◽  
Anu Kalia ◽  
Eugenie Nepovimova ◽  
...  
Keyword(s):  
Silver Nanoparticles ◽  
Metal Oxide ◽  
Green Synthesis ◽  
Metallic Nanoparticles ◽  
Metal Oxide Nanoparticles ◽  
Secondary Compounds ◽  
Oxide Nanoparticles ◽  
Gold And Silver Nanoparticles ◽  
Gold Silver ◽  
Metal Metal

Green synthesis has gained wide attention as a sustainable, reliable, and eco-friendly approach to the synthesis of a variety of nanomaterials, including hybrid materials, metal/metal oxide nanoparticles, and bioinspired materials. Plant flowers contain diverse secondary compounds, including pigments, volatile substances contributing to fragrance, and other phenolics that have a profound ethnobotanical relevance, particularly in relation to the curing of diseases by ‘Pushpa Ayurveda’ or floral therapy. These compounds can be utilized as potent reducing agents for the synthesis of a variety of metal/metal oxide nanoparticles (NPs), such as gold, silver, copper, zinc, iron, and cadmium. Phytochemicals from flowers can act both as reducing and stabilizing agents, besides having a role as precursor molecules for the formation of NPs. Furthermore, the synthesis is mostly performed at ambient room temperatures and is eco-friendly, as no toxic derivatives are formed. The NPs obtained exhibit unique and diverse properties, which can be harnessed for a variety of applications in different fields. This review reports the use of a variety of flower extracts for the green synthesis of several types of metallic nanoparticles and their applications. This review shows that flower extract was mainly used to design gold and silver nanoparticles, while other metals and metal oxides were less explored in relation to this synthesis. Flower-derived silver nanoparticles show good antibacterial, antioxidant, and insecticidal activities and can be used in different applications.

scholarly journals Green Synthesis of Iron Oxide Nanoparticles by Using Ficus Carica Leaf Extract and Its Antioxidant Activity

2021 ◽  
Vol 12 (2) ◽  
pp. 2108-2116 ◽  
Keyword(s):  
Antioxidant Activity ◽  
Iron Oxide ◽  
Green Synthesis ◽  
Iron Oxide Nanoparticles ◽  
Leaf Extract ◽  
Metal Oxide Nanoparticles ◽  
Ficus Carica ◽  
Oxide Nanoparticles ◽  
Characterization Methods ◽  
Vis Spectroscopy

In every day, new nanoparticles have been synthesized, and their properties have been evaluated since their unique physical and chemical properties, which are very different from the precursors. Nanoscience also has significant advances in obtaining environmentally friendly and sustainable products. Iron oxide nanoparticles, one of the metal oxide nanoparticles, have different forms and properties. In recent years, iron oxide nanoparticles have been successfully synthesized from various plant species using green synthesis pathways and have been analyzed for different bioactivity properties. In this study, iron oxide nanoparticles were synthesized using a completely non-hazardous method using Ficus carica leaf extract. The synthesized product was characterized by SEM, EDX, XRD crystallography, FT-IR, and UV-Vis spectroscopy. Characterization methods have shown that the product was synthesized in mixed form with 43-57 nm size. In addition, the antioxidant activity of the product was analyzed, and it was recorded that the nanoparticle has remarkable antioxidant activity.

Star fruit extract-mediated green synthesis of metal oxide nanoparticles

2021 ◽  
pp. 1-8
Author(s):  
Sagadevan Suresh ◽  
Selvaraj Vennila ◽  
J. Anita Lett ◽  
Is Fatimah ◽  
Faruq Mohammad ◽  
...  
Keyword(s):  
Metal Oxide ◽  
Green Synthesis ◽  
Metal Oxide Nanoparticles ◽  
Oxide Nanoparticles ◽  
Fruit Extract ◽  
Star Fruit

Green synthesis of iron oxide nanoparticles by aqueous leaf extract of Daphne mezereum as a novel dye removing material

2018 ◽  
Vol 124 (5) ◽  
Author(s):  
Nasrin Beheshtkhoo ◽  
Mohammad Amin Jadidi Kouhbanani ◽  
Amir Savardashtaki ◽  
Ali Mohammad Amani ◽  
Saeed Taghizadeh
Keyword(s):  
Iron Oxide ◽  
Green Synthesis ◽  
Iron Oxide Nanoparticles ◽  
Leaf Extract ◽  
Oxide Nanoparticles ◽  
Aqueous Leaf Extract

A novel sulfonated waste polystyrene / iron oxide nanoparticles composite: Green synthesis, characterization and applications

2019 ◽  
Vol 7 (1) ◽  
pp. 102841 ◽  
Author(s):  
Cristina A. De León-Condés ◽  
Gabriela Roa-Morales ◽  
Gonzalo Martínez-Barrera ◽  
Patricia Balderas-Hernández ◽  
Carmina Menchaca-Campos ◽  
...  
Keyword(s):  
Iron Oxide ◽  
Green Synthesis ◽  
Iron Oxide Nanoparticles ◽  
Oxide Nanoparticles ◽  
Waste Polystyrene
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